Question

A gas has a density of 1.57g/L at 40.0C and 2.00atm of pressure. What is the identity of the gas?

Answer 1

Neon

Step-by-step explanation:

K=C degrees+273.15 = 40.0+273.15=313.2 K

M=1.57g/L×0.08206 atm L/mol K×313.2 K/2.00 atm

M=20.17 g/mol

K= Kelvin

M= Molar Mass